| 1 | Physics | 23,917 | 1.4M | 3 | 7 |
| 2 | Biology | 7,863 | 776.9K | 13 | 18 |
| 3 | Science | 6,959 | 720.5K | 18 | 23 |
| 4 | Chemistry | 11,577 | 706.4K | 6 | 5 |
| 5 | Biochemistry | 16,581 | 584.5K | 2 | 4 |
| 6 | Natural history | 1,375 | 449.4K | 29 | 18 |
| 7 | Molecular Biology | 5,771 | 351.7K | 11 | 17 |
| 8 | Solid State Physics | 8,205 | 296.4K | 3 | 3 |
| 9 | Condensed Matter | 7,039 | 283.1K | 3 | 3 |
| 10 | Astrophysics | 4,664 | 282.1K | 14 | 23 |
| 11 | Cytology | 3,354 | 248.7K | 9 | 30 |
| 12 | Nuclear Physics | 7,829 | 244.8K | 4 | 7 |
| 13 | Astronomy | 4,194 | 226.4K | 17 | 25 |
| 14 | Cell Biology | 2,328 | 213.9K | 13 | 37 |
| 15 | Microbiology | 4,517 | 208.6K | 10 | 17 |
| 16 | Spectrum analysis | 3,944 | 207.4K | 9 | 14 |
| 17 | Medicine | 4,000 | 205.6K | 54 | 70 |
| 18 | Biophysics | 5,510 | 157.6K | 4 | 5 |
| 19 | Materials | 4,010 | 152.4K | 12 | 33 |
| 20 | Neurology | 2,572 | 151.9K | 39 | 69 |
| 21 | Research | 3,743 | 143.5K | 17 | 26 |
| 22 | Geophysics | 3,936 | 130.0K | 10 | 12 |
| 23 | Virology | 1,379 | 122.7K | 15 | 50 |
| 24 | Immunology | 1,814 | 121.6K | 22 | 26 |
| 25 | Biotechnology | 2,950 | 104.9K | 5 | 17 |
| 26 | Materials Science | 2,470 | 104.5K | 12 | 17 |
| 27 | Botany | 1,735 | 98.2K | 14 | 11 |
| 28 | Polymers | 3,125 | 96.5K | 8 | 8 |
| 29 | Japan | 8,318 | 95.9K | 1 | 1 |
| 30 | Nanotechnology | 1,643 | 93.2K | 39 | 45 |
| 31 | Quantum Gravity | 2,173 | 92.9K | 4 | 11 |
| 32 | Human genetics | 757 | 92.5K | 19 | 71 |
| 33 | Bioengineering | 2,360 | 81.2K | 5 | 18 |
| 34 | plant molecular biology | 935 | 79.3K | 5 | 4 |
| 35 | Catalysis | 1,685 | 75.0K | 14 | 18 |
| 36 | Immunity | 604 | 74.9K | 20 | 26 |
| 37 | Planets | 1,976 | 69.5K | 5 | 11 |
| 38 | Pharmacology | 3,615 | 68.6K | 5 | 21 |
| 39 | Technology | 3,707 | 67.7K | 1 | 3 |
| 40 | Developmental Biology | 1,119 | 67.6K | 11 | 20 |
| 41 | Genetics | 1,432 | 65.9K | 28 | 77 |
| 42 | Plant cells | 492 | 64.7K | 9 | 8 |
| 43 | Ecology | 1,548 | 62.6K | 60 | 134 |
| 44 | Physiology | 1,286 | 62.3K | 34 | 29 |
| 45 | polymerization | 2,452 | 61.9K | 8 | 12 |
| 46 | Meteorology | 1,287 | 61.4K | 15 | 22 |
| 47 | Agricultural Chemistry | 4,495 | 60.6K | 2 | 2 |
| 48 | Plant physiology | 890 | 57.3K | 7 | 7 |
| 49 | Colloids | 1,644 | 55.5K | 6 | 7 |
| 50 | Statistical physics | 2,304 | 54.1K | 7 | 19 |
| 51 | Surface Chemistry | 1,798 | 54.0K | 6 | 6 |
| 52 | Environment | 826 | 51.0K | 55 | 79 |
| 53 | Neurophysiology | 770 | 51.0K | 45 | 60 |
| 54 | Plants | 446 | 49.4K | 22 | 9 |
| 55 | Organic Chemistry | 1,648 | 49.2K | 5 | 5 |
| 56 | Biocompatible Materials | 1,089 | 47.7K | 30 | 51 |
| 57 | Chemical Engineering | 1,493 | 47.6K | 25 | 47 |
| 58 | Cell differentiation | 500 | 46.7K | 17 | 19 |
| 59 | Embryology | 877 | 45.3K | 6 | 10 |
| 60 | Brain | 890 | 44.8K | 15 | 23 |
| 61 | Cancer | 802 | 44.6K | 66 | 72 |
| 62 | Analytical Chemistry | 2,318 | 44.4K | 5 | 17 |
| 63 | nucleic acids | 725 | 43.9K | 6 | 34 |
| 64 | Geochemistry | 1,301 | 43.6K | 6 | 17 |
| 65 | Geology | 1,203 | 43.2K | 20 | 37 |
| 66 | Endocrinology | 897 | 42.6K | 39 | 68 |
| 67 | Optics | 1,431 | 40.9K | 35 | 25 |
| 68 | Bacteriology | 564 | 39.7K | 18 | 26 |
| 69 | Molecular Genetics | 879 | 39.2K | 3 | 4 |
| 70 | Mathematics | 2,990 | 38.6K | 16 | 27 |
| 71 | Electrochemistry | 2,003 | 38.5K | 6 | 15 |
| 72 | Growth | 667 | 38.3K | 6 | 20 |
| 73 | Mathematical Physics | 1,396 | 38.2K | 10 | 9 |
| 74 | Plant genetic engineering | 743 | 38.0K | 2 | 1 |
| 75 | Plant Genetics | 592 | 35.9K | 3 | 2 |
| 76 | Pharmaceutical Chemistry | 1,343 | 35.8K | 12 | 31 |
| 77 | Hematology | 1,332 | 35.2K | 61 | 97 |
| 78 | Metallurgy | 1,762 | 34.5K | 8 | 20 |
| 79 | Medical genetics | 783 | 34.2K | 38 | 80 |
| 80 | Climatology | 507 | 34.2K | 24 | 26 |
| 81 | Anatomy | 488 | 33.6K | 16 | 19 |
| 82 | Cytogenetics | 595 | 33.0K | 7 | 26 |
| 83 | Bioorganic chemistry | 881 | 32.9K | 7 | 5 |
| 84 | Biomedical Engineering | 1,105 | 32.3K | 13 | 30 |
| 85 | Physical Chemistry | 516 | 31.8K | 9 | 7 |
| 86 | Genes | 770 | 31.7K | 1 | 1 |
| 87 | Nervous system | 426 | 31.3K | 34 | 38 |
| 88 | Allergy | 129 | 31.0K | 64 | 23 |
| 89 | Oceanography | 978 | 30.3K | 11 | 21 |
| 90 | Neurons | 139 | 29.0K | 33 | 37 |
| 91 | Environmental Health | 913 | 28.8K | 49 | 132 |
| 92 | Oncogenes | 331 | 28.8K | 12 | 12 |
| 93 | Toxicology | 1,056 | 28.6K | 33 | 49 |
| 94 | Histology | 704 | 28.4K | 4 | 5 |
| 95 | Solid State Chemistry | 1,321 | 28.3K | 3 | 4 |
| 96 | Pollution | 604 | 28.0K | 128 | 179 |
| 97 | Metals | 1,611 | 27.8K | 7 | 28 |
| 98 | nanoscience | 457 | 27.7K | 50 | 63 |
| 99 | Nanostructured Materials | 749 | 27.5K | 25 | 42 |
| 100 | Marine Biology | 1,097 | 27.1K | 9 | 24 |
| 101 | viruses | 438 | 26.5K | 29 | 38 |
| 102 | Liver diseases | 295 | 26.2K | 31 | 34 |
| 103 | Genetic engineering | 559 | 25.5K | 5 | 5 |
| 104 | Electronics | 2,245 | 25.3K | 3 | 14 |
| 105 | Genomics | 574 | 25.2K | 24 | 22 |
| 106 | Microbial Ecology | 406 | 25.0K | 31 | 67 |
| 107 | Earth Sciences | 581 | 24.9K | 21 | 45 |
| 108 | Pathology | 500 | 23.9K | 27 | 33 |
| 109 | miniaturization | 392 | 23.7K | 19 | 44 |
| 110 | Nonlinear Dynamics | 909 | 23.7K | 6 | 16 |
| 111 | Meteorites | 427 | 23.6K | 13 | 24 |
| 112 | Psychiatry | 364 | 23.4K | 256 | 205 |
| 113 | Diabetes | 358 | 23.2K | 53 | 73 |
| 114 | Composite Materials | 758 | 22.9K | 10 | 36 |
| 115 | Photochemistry | 301 | 22.9K | 10 | 1 |
| 116 | Immune system | 106 | 22.6K | 58 | 46 |
| 117 | Water pollution | 486 | 22.5K | 22 | 30 |
| 118 | Nanostructures | 460 | 22.2K | 7 | 19 |
| 119 | Immunotherapy | 173 | 21.9K | 64 | 31 |
| 120 | Signal Transduction | 523 | 21.8K | 3 | 5 |
| 121 | genome | 312 | 21.8K | 15 | 50 |
| 122 | Diabetes mellitus | 312 | 21.7K | 55 | 72 |
| 123 | Pharmacy | 1,430 | 21.5K | 3 | 8 |
| 124 | Nutrition | 641 | 21.1K | 59 | 110 |
| 125 | Water | 354 | 21.1K | 38 | 47 |
| 126 | Biomechanics | 499 | 20.7K | 2 | 6 |
| 127 | biological evolution | 402 | 20.6K | 30 | 74 |
| 128 | Biochemical Engineering | 288 | 20.5K | 109 | 131 |
| 129 | Computational Biology | 461 | 20.3K | 18 | 74 |
| 130 | Geodynamics | 478 | 20.1K | 4 | 3 |
| 130 | antibiotics | 674 | 20.1K | 2 | 2 |
| 132 | Fisheries | 1,440 | 20.0K | 3 | 7 |
| 133 | cell physiology | 309 | 19.6K | 21 | 22 |
| 134 | Photobiology | 165 | 19.4K | 10 | 1 |
| 135 | Soil Mechanics | 366 | 19.1K | 12 | 10 |
| 136 | Public Health | 499 | 18.9K | 219 | 230 |
| 137 | Photonics | 237 | 18.1K | 42 | 25 |
| 138 | Cell division | 425 | 18.1K | 1 | 1 |
| 139 | Bioinformatics | 347 | 17.9K | 19 | 56 |
| 140 | Chemical industry | 977 | 17.8K | 3 | 2 |
| 141 | Gene expression | 405 | 17.7K | 1 | 1 |
| 142 | Microelectronics | 468 | 17.6K | 9 | 56 |
| 143 | Metabolic diseases | 281 | 17.6K | 122 | 134 |
| 144 | Molecular evolution | 305 | 17.5K | 8 | 29 |
| 145 | Neurochemistry | 411 | 17.5K | 46 | 58 |
| 146 | Metabolism | 406 | 17.4K | 98 | 160 |
| 147 | Molecular structure | 366 | 17.4K | 18 | 35 |
| 148 | Recombinant DNA | 441 | 17.2K | 3 | 4 |
| 149 | Atmospheric Physics | 330 | 17.1K | 71 | 75 |
| 150 | Neurobiology | 292 | 17.0K | 46 | 65 |
| 151 | Molecular cloning | 431 | 16.6K | 2 | 4 |
| 152 | Genetic recombination | 428 | 16.6K | 2 | 4 |
| 153 | Reproduction | 520 | 16.4K | 19 | 23 |
| 154 | fishing industry | 1,008 | 16.2K | 1 | 1 |
| 155 | Optical materials | 295 | 15.8K | 84 | 88 |
| 156 | Psychology | 697 | 15.8K | 119 | 242 |
| 157 | environmental pollution | 425 | 15.7K | 103 | 145 |
| 158 | Artificial Intelligence | 577 | 15.7K | 40 | 65 |
| 159 | Clinical Chemistry | 513 | 15.7K | 31 | 57 |
| 160 | Light | 180 | 15.5K | 6 | 13 |
| 161 | Oncology | 101 | 14.7K | 238 | 116 |
| 162 | Membranes | 407 | 14.3K | 10 | 29 |
| 163 | Genetic regulation | 203 | 14.0K | 20 | 50 |
| 164 | Zoology | 960 | 13.7K | 9 | 24 |
| 165 | gene mapping | 290 | 13.4K | 26 | 72 |
| 166 | Renewable Energy Sources | 127 | 13.3K | 110 | 73 |
| 167 | Nuclear Engineering | 1,205 | 13.3K | 12 | 16 |
| 168 | United States | 209 | 13.3K | 438 | 225 |
| 169 | Solar System | 353 | 13.2K | 30 | 35 |
| 170 | Geomagnetism | 647 | 12.7K | 3 | 5 |
| 171 | Host-parasite interactions | 117 | 12.7K | 59 | 48 |
| 172 | Economics | 615 | 12.7K | 76 | 167 |
| 173 | Industrial Microbiology | 351 | 12.5K | 11 | 20 |
| 174 | Stem cells | 288 | 12.5K | 16 | 17 |
| 175 | Robotics | 658 | 12.3K | 3 | 8 |
| 176 | Microorganisms | 250 | 12.3K | 16 | 22 |
| 177 | Seismology | 1,062 | 12.2K | 3 | 7 |
| 178 | Drug delivery systems | 76 | 12.0K | 81 | 13 |
| 179 | Cardiovascular system | 161 | 12.0K | 120 | 140 |
| 180 | Cell death | 90 | 11.8K | 92 | 59 |
| 181 | Ceramics | 604 | 11.5K | 10 | 29 |
| 182 | United Kingdom | 252 | 11.4K | 32 | 34 |
| 183 | Epidemiology | 285 | 11.4K | 208 | 203 |
| 184 | Geriatrics | 546 | 11.2K | 62 | 118 |
| 185 | Energy Conversion | 135 | 11.2K | 62 | 80 |
| 186 | Psychophysiology | 303 | 11.1K | 165 | 223 |
| 187 | Fluid Mechanics | 494 | 11.0K | 10 | 20 |
| 188 | Therapeutics | 224 | 11.0K | 54 | 61 |
| 189 | Evolution | 290 | 10.9K | 41 | 118 |
| 190 | Hypertension | 163 | 10.8K | 124 | 138 |
| 191 | Hydrology | 260 | 10.8K | 80 | 83 |
| 192 | Cosmology | 481 | 10.6K | 4 | 3 |
| 193 | Pediatric Neurology | 151 | 10.4K | 35 | 78 |
| 194 | Respiration | 117 | 10.4K | 110 | 45 |
| 195 | Computer Graphics | 387 | 10.4K | 11 | 38 |
| 196 | mass transfer | 284 | 10.3K | 19 | 26 |
| 197 | Ophthalmology | 288 | 10.2K | 61 | 68 |
| 198 | Nuclear Energy | 856 | 10.2K | 10 | 11 |
| 199 | drug therapy | 237 | 10.2K | 99 | 82 |
| 200 | Environmental Engineering | 203 | 10.1K | 185 | 219 |
| 201 | Cardiovascular diseases | 412 | 10.0K | 7 | 11 |
| 202 | Environmental Chemistry | 129 | 10.0K | 87 | 94 |
| 203 | Electrical Engineering | 2,109 | 9.9K | 3 | 15 |
| 204 | actuators | 349 | 9.9K | 19 | 36 |
| 204 | transducers | 349 | 9.9K | 19 | 36 |
| 206 | Medical Laboratory Science | 277 | 9.9K | 14 | 26 |
| 207 | Surface properties | 243 | 9.6K | 3 | 4 |
| 208 | Aquaculture | 190 | 9.6K | 50 | 29 |
| 209 | Long-Term Care | 19 | 9.5K | 151 | 6 |
| 209 | Long-term care facilities | 19 | 9.5K | 151 | 6 |
| 211 | Glass | 279 | 9.2K | 18 | 36 |
| 212 | pottery | 273 | 9.1K | 18 | 37 |
| 213 | Green Chemistry | 145 | 9.1K | 72 | 60 |
| 214 | Nuclear Fusion | 546 | 9.0K | 20 | 24 |
| 215 | Combinatorial chemistry | 165 | 9.0K | 7 | 14 |
| 216 | Iron | 474 | 9.0K | 5 | 5 |
| 217 | Mental Disorders | 159 | 8.8K | 284 | 280 |
| 218 | Plant diseases | 441 | 8.8K | 37 | 67 |
| 219 | Molecular Microbiology | 116 | 8.7K | 27 | 40 |
| 220 | concrete | 311 | 8.7K | 4 | 37 |
| 221 | Environmental monitoring | 255 | 8.6K | 106 | 182 |
| 222 | Earthquake Engineering | 287 | 8.5K | 31 | 34 |
| 223 | Molecular Spectroscopy | 239 | 8.5K | 17 | 12 |
| 224 | DNS | 152 | 8.5K | 2 | 1 |
| 225 | Chromosome mapping | 241 | 8.5K | 23 | 62 |
| 226 | Lipids | 147 | 8.4K | 23 | 26 |
| 227 | Systems Biology | 344 | 8.4K | 5 | 7 |
| 228 | Bioenergetics | 232 | 8.4K | 10 | 13 |
| 229 | Mineralogy | 443 | 8.3K | 11 | 47 |
| 230 | Bacteria | 95 | 8.3K | 8 | 5 |
| 231 | Surface-Active Agents | 218 | 8.3K | 4 | 4 |
| 232 | fuel cells | 117 | 8.1K | 74 | 78 |
| 233 | Water quality management | 264 | 8.1K | 13 | 13 |
| 234 | Energy metabolism | 219 | 8.0K | 11 | 13 |
| 235 | Neural circuitry | 169 | 8.0K | 59 | 43 |
| 236 | proteins | 327 | 8.0K | 22 | 78 |
| 237 | Genetic therapy | 156 | 8.0K | 37 | 35 |
| 238 | Disease | 8 | 7.9K | 142 | 40 |
| 239 | diseases | 6 | 7.9K | 216 | 41 |
| 240 | Entomology | 701 | 7.8K | 24 | 56 |
| 241 | Gene expression regulation | 127 | 7.8K | 38 | 78 |
| 242 | Cell metabolism | 45 | 7.8K | 49 | 55 |
| 243 | Homeostasis | 39 | 7.7K | 49 | 54 |
| 244 | Insects | 493 | 7.7K | 8 | 23 |
| 245 | Environmental Management | 120 | 7.6K | 154 | 105 |
| 246 | Engineering | 392 | 7.6K | 80 | 89 |
| 247 | Surgery | 117 | 7.6K | 248 | 296 |
| 248 | cell membrane | 208 | 7.6K | 11 | 13 |
| 249 | Sustainable Development | 205 | 7.6K | 11 | 42 |
| 250 | Medical Microbiology | 169 | 7.5K | 134 | 205 |
| 251 | Fertilizers | 426 | 7.5K | 1 | 2 |
| 252 | energy conservation | 158 | 7.5K | 52 | 66 |
| 253 | Waste management | 240 | 7.4K | 7 | 9 |
| 254 | Perception | 340 | 7.4K | 52 | 99 |
| 255 | Developmental Genetics | 84 | 7.4K | 58 | 87 |
| 256 | natural products | 199 | 7.4K | 31 | 28 |
| 257 | Alzheimer's disease | 86 | 7.4K | 235 | 73 |
| 258 | Economic History | 470 | 7.3K | 40 | 83 |
| 259 | Atmospheric Chemistry | 119 | 7.3K | 125 | 145 |
| 260 | Fluid Dynamics | 235 | 7.2K | 11 | 9 |
| 261 | Dementia | 77 | 7.2K | 250 | 64 |
| 262 | Combustion | 245 | 7.1K | 29 | 56 |
| 263 | Carbon | 256 | 7.1K | 13 | 59 |
| 264 | Plant Ecology | 153 | 7.1K | 79 | 97 |
| 265 | Cybernetics | 122 | 7.1K | 36 | 16 |
| 266 | Ocean Engineering | 337 | 7.1K | 26 | 36 |
| 267 | Water Purification | 222 | 7.1K | 7 | 8 |
| 268 | Environmental Policy | 202 | 7.0K | 97 | 228 |
| 269 | Diet | 127 | 7.0K | 183 | 187 |
| 270 | gene therapy | 130 | 7.0K | 36 | 36 |
| 271 | sanitation | 92 | 7.0K | 176 | 189 |
| 272 | mycoses | 50 | 7.0K | 53 | 40 |
| 273 | biopolymers | 189 | 7.0K | 16 | 14 |
| 274 | Leukemia | 142 | 7.0K | 64 | 96 |
| 275 | Biomass Energy | 124 | 6.9K | 160 | 154 |
| 276 | Energy Policy | 174 | 6.9K | 86 | 131 |
| 277 | Aging | 283 | 6.9K | 133 | 211 |
| 278 | Bacterial infections | 44 | 6.9K | 88 | 44 |
| 279 | mathematical analysis | 310 | 6.8K | 36 | 17 |
| 280 | Manufacturing Processes | 287 | 6.8K | 45 | 60 |
| 281 | Virulence | 89 | 6.8K | 78 | 91 |
| 282 | cloning | 91 | 6.7K | 10 | 13 |
| 283 | Structural dynamics | 157 | 6.6K | 28 | 33 |
| 284 | Orthopedics | 177 | 6.6K | 58 | 67 |
| 285 | enzymes | 167 | 6.6K | 28 | 31 |
| 286 | plant communities | 111 | 6.5K | 38 | 55 |
| 287 | Cellulose | 138 | 6.5K | 9 | 5 |
| 288 | Asia | 378 | 6.4K | 31 | 33 |
| 289 | Mental illness | 106 | 6.4K | 209 | 199 |
| 290 | food technology | 218 | 6.4K | 83 | 101 |
| 291 | protein | 234 | 6.2K | 14 | 62 |
| 292 | wood | 284 | 6.2K | 4 | 3 |
| 293 | Radiation | 399 | 6.2K | 9 | 49 |
| 294 | Pharmacognosy | 202 | 6.1K | 39 | 48 |
| 295 | Memory | 267 | 6.1K | 65 | 137 |
| 296 | Toxins | 170 | 6.1K | 12 | 7 |
| 297 | Phylogeny | 84 | 6.0K | 37 | 26 |
| 298 | Soft Condensed Matter | 177 | 6.0K | 17 | 17 |
| 299 | Animal Behavior | 225 | 6.0K | 99 | 206 |
| 300 | Petrology | 239 | 6.0K | 15 | 66 |
| 301 | Pharmaceutical Technology | 113 | 5.9K | 48 | 23 |
| 302 | Analytical Biochemistry | 219 | 5.9K | 9 | 51 |
| 303 | Thrombosis | 120 | 5.9K | 35 | 42 |
| 304 | water supply | 83 | 5.9K | 92 | 67 |
| 305 | Electrochemical Analysis | 177 | 5.8K | 26 | 35 |
| 306 | Visual Perception | 273 | 5.7K | 54 | 98 |
| 307 | Sun | 149 | 5.7K | 22 | 31 |
| 308 | Marine Meteorology | 95 | 5.6K | 38 | 30 |
| 309 | Cognition | 151 | 5.6K | 124 | 153 |
| 310 | energy development | 24 | 5.6K | 123 | 39 |
| 311 | Nanoparticles | 142 | 5.6K | 82 | 97 |
| 312 | atmospheric models | 76 | 5.5K | 75 | 69 |
| 313 | Atomic spectroscopy | 208 | 5.5K | 6 | 14 |
| 314 | Molecules | 234 | 5.4K | 19 | 56 |
| 315 | China | 216 | 5.4K | 143 | 107 |
| 316 | Insect biochemistry | 128 | 5.4K | 6 | 8 |
| 317 | Sports Medicine | 171 | 5.4K | 157 | 161 |
| 318 | viral genetics | 45 | 5.4K | 61 | 89 |
| 319 | Transplantation | 110 | 5.3K | 130 | 138 |
| 320 | Attention | 258 | 5.3K | 57 | 109 |
| 321 | Superconductors | 216 | 5.3K | 9 | 8 |
| 322 | vascular diseases | 96 | 5.3K | 23 | 34 |
| 323 | Medical Oncology | 128 | 5.2K | 261 | 187 |
| 324 | biological factors | 108 | 5.2K | 68 | 49 |
| 325 | Biodiversity | 156 | 5.2K | 83 | 164 |
| 326 | Engineering Mathematics | 311 | 5.2K | 38 | 48 |
| 327 | Mycology | 207 | 5.1K | 40 | 80 |
| 328 | Statistics | 511 | 5.1K | 45 | 226 |
| 329 | Neuropsychology | 161 | 5.0K | 154 | 217 |
| 330 | free radicals | 119 | 5.0K | 63 | 102 |
| 331 | Tribology | 217 | 5.0K | 21 | 29 |
| 332 | Chemical analysis | 893 | 5.0K | 1 | 13 |
| 333 | venom | 149 | 5.0K | 13 | 12 |
| 334 | Engineering Geology | 94 | 4.9K | 105 | 75 |
| 335 | Behavior | 150 | 4.9K | 309 | 439 |
| 336 | DNA polymerases | 48 | 4.9K | 43 | 73 |
| 337 | Urology | 153 | 4.9K | 173 | 199 |
| 338 | Biosensors | 123 | 4.9K | 35 | 62 |
| 339 | Organometallic compounds | 151 | 4.8K | 19 | 27 |
| 340 | Population Genetics | 140 | 4.8K | 42 | 122 |
| 341 | Immunogenetics | 151 | 4.8K | 9 | 18 |
| 342 | Parasitology | 270 | 4.8K | 64 | 135 |
| 343 | Sustainable Engineering | 112 | 4.8K | 67 | 82 |
| 344 | Radiobiology | 232 | 4.8K | 113 | 143 |
| 345 | Antigens | 170 | 4.8K | 12 | 28 |
| 346 | Sports | 138 | 4.7K | 146 | 120 |
| 347 | Food | 122 | 4.7K | 261 | 225 |
| 348 | Catalysts | 82 | 4.7K | 17 | 7 |
| 349 | Anthropology | 524 | 4.7K | 20 | 66 |
| 350 | Immunopathology | 151 | 4.7K | 42 | 65 |
| 351 | human behavior | 124 | 4.7K | 203 | 330 |
| 352 | Particle Physics | 223 | 4.6K | 2 | 2 |
| 353 | Structural Engineering | 542 | 4.6K | 11 | 73 |
| 354 | Quantum theory | 205 | 4.6K | 1 | 6 |
| 355 | Child Development | 143 | 4.6K | 160 | 222 |
| 356 | Primates | 149 | 4.6K | 18 | 21 |
| 357 | Semiconductors | 339 | 4.5K | 19 | 32 |
| 358 | cytokines | 73 | 4.5K | 80 | 39 |
| 359 | Psychopharmacology | 91 | 4.5K | 201 | 207 |
| 360 | Molecular Pharmacology | 72 | 4.5K | 36 | 28 |
| 361 | Ceramic materials | 175 | 4.4K | 23 | 33 |
| 362 | Algae | 197 | 4.4K | 10 | 26 |
| 363 | soil microbiology | 109 | 4.4K | 104 | 195 |
| 364 | Chromatographic analysis | 168 | 4.3K | 47 | 33 |
| 365 | Nuclear Chemistry | 283 | 4.3K | 13 | 11 |
| 366 | Electrophoresis | 184 | 4.3K | 24 | 45 |
| 367 | Paleoclimatology | 108 | 4.3K | 48 | 55 |
| 368 | catalytic activity | 90 | 4.3K | 13 | 14 |
| 369 | Mass Spectrometry | 173 | 4.2K | 14 | 47 |
| 370 | nuclear astrophysics | 104 | 4.2K | 3 | 9 |
| 371 | Sociology | 290 | 4.2K | 112 | 274 |
| 372 | Biogeochemistry | 81 | 4.2K | 105 | 143 |
| 373 | fusion reactors | 354 | 4.2K | 21 | 23 |
| 374 | Pediatrics | 125 | 4.1K | 330 | 432 |
| 375 | Vaccines | 148 | 4.1K | 98 | 134 |
| 376 | environmental protection | 129 | 4.1K | 210 | 302 |
| 376 | Diagnostic microbiology | 72 | 4.1K | 131 | 204 |
| 378 | Fracture mechanics | 182 | 4.1K | 37 | 57 |
| 379 | Bioelectronics | 94 | 4.1K | 37 | 64 |
| 380 | Crystallography | 407 | 4.1K | 10 | 66 |
| 381 | Breeding | 186 | 4.1K | 50 | 81 |
| 382 | Paleogeography | 95 | 4.1K | 32 | 36 |
| 383 | Ferroelectricity | 236 | 4.0K | 10 | 10 |
| 384 | Obesity | 106 | 4.0K | 236 | 268 |
| 385 | Paleoecology | 98 | 4.0K | 46 | 50 |
| 386 | DNA | 43 | 4.0K | 17 | 1 |
| 387 | Parenteral nutrition | 52 | 4.0K | 121 | 102 |
| 388 | Mechanical Engineering | 432 | 3.9K | 27 | 88 |
| 389 | Superconductivity | 148 | 3.9K | 8 | 9 |
| 390 | Plant Biotechnology | 195 | 3.9K | 10 | 24 |
| 391 | Physical organic chemistry | 174 | 3.9K | 17 | 23 |
| 392 | Child | 154 | 3.9K | 188 | 202 |
| 393 | Statistical Mechanics | 166 | 3.9K | 26 | 33 |
| 394 | Radiochemistry | 325 | 3.9K | 10 | 11 |
| 395 | Geography | 581 | 3.9K | 15 | 201 |
| 396 | Planetary Science | 146 | 3.9K | 15 | 25 |
| 397 | Fungi | 170 | 3.9K | 17 | 82 |
| 398 | arthritis | 83 | 3.8K | 171 | 213 |
| 399 | Liquid Crystals | 474 | 3.8K | 3 | 6 |
| 400 | Telecommunication | 793 | 3.8K | 10 | 62 |
| 401 | Hemodynamics | 48 | 3.8K | 81 | 57 |
| 402 | Clinical Psychology | 20 | 3.8K | 605 | 241 |
| 403 | Geomorphology | 97 | 3.8K | 59 | 87 |
| 404 | Parasitic Diseases | 198 | 3.8K | 62 | 186 |
| 405 | Dynamics | 220 | 3.8K | 12 | 24 |
| 406 | Cerebral cortex | 87 | 3.8K | 64 | 114 |
| 407 | Molecular ecology | 76 | 3.8K | 106 | 166 |
| 408 | Solar Energy | 101 | 3.8K | 54 | 78 |
| 409 | RNA | 80 | 3.7K | 14 | 25 |
| 410 | Chronic diseases | 12 | 3.7K | 372 | 112 |
| 411 | Quantum Optics | 123 | 3.7K | 14 | 20 |
| 412 | Energy Storage | 112 | 3.7K | 48 | 76 |
| 413 | natural disasters | 120 | 3.7K | 17 | 26 |
| 414 | solar cells | 95 | 3.7K | 21 | 33 |
| 415 | Marine Pollution | 79 | 3.7K | 50 | 60 |
| 416 | Laser Spectroscopy | 123 | 3.7K | 11 | 18 |
| 417 | Numerical Analysis | 138 | 3.6K | 109 | 92 |
| 418 | carcinogens | 70 | 3.6K | 70 | 60 |
| 419 | Recycling | 79 | 3.6K | 8 | 20 |
| 420 | Plate Tectonics | 147 | 3.6K | 4 | 4 |
| 421 | Biodiversity conservation | 86 | 3.6K | 181 | 436 |
| 422 | Transportation | 149 | 3.6K | 106 | 140 |
| 423 | economic policy | 213 | 3.6K | 51 | 101 |
| 424 | Economic Development | 92 | 3.6K | 115 | 141 |
| 425 | Magnetic Materials | 222 | 3.6K | 26 | 82 |
| 426 | Parasites | 188 | 3.5K | 34 | 79 |
| 427 | Cement | 116 | 3.5K | 17 | 71 |
| 428 | Zeolites | 105 | 3.5K | 17 | 24 |
| 429 | Environmental pollutants | 119 | 3.5K | 112 | 148 |
| 430 | Carcinogenesis | 69 | 3.5K | 57 | 58 |
| 430 | Medical Anthropology | 77 | 3.5K | 134 | 163 |
| 432 | Hormones | 123 | 3.5K | 43 | 106 |
| 433 | Animal welfare | 333 | 3.5K | 1 | 2 |
| 434 | mutagens | 79 | 3.4K | 44 | 56 |
| 435 | industrial hygiene | 163 | 3.4K | 20 | 18 |
| 436 | Environmental Microbiology | 78 | 3.4K | 78 | 164 |
| 437 | Fermentation | 206 | 3.4K | 4 | 5 |
| 438 | Hydrometeorology | 26 | 3.4K | 35 | 26 |
| 439 | Critical Care | 83 | 3.4K | 210 | 369 |
| 440 | energy resources | 68 | 3.4K | 86 | 168 |
| 441 | Ethology | 95 | 3.3K | 185 | 277 |
| 442 | coal | 84 | 3.3K | 125 | 122 |
| 443 | Rheumatology | 70 | 3.3K | 141 | 163 |
| 444 | histological techniques | 63 | 3.3K | 32 | 38 |
| 445 | Volcanoes | 78 | 3.2K | 11 | 12 |
| 446 | Developing countries | 116 | 3.2K | 136 | 176 |
| 447 | Agriculture | 82 | 3.1K | 243 | 214 |
| 448 | Environmental Geology | 104 | 3.1K | 43 | 57 |
| 449 | Medical innovations | 39 | 3.1K | 122 | 179 |
| 450 | Computer-Aided Design | 139 | 3.1K | 14 | 37 |
| 451 | pollutants | 104 | 3.1K | 109 | 150 |
| 452 | Nanoelectronics | 208 | 3.0K | 7 | 7 |
| 453 | fertility | 75 | 3.0K | 172 | 162 |
| 454 | Mobile genetic elements | 6 | 3.0K | 29 | 2 |
| 455 | Climate change | 36 | 3.0K | 231 | 405 |
| 456 | Eutrophication | 35 | 3.0K | 235 | 404 |
| 457 | Critical Care Medicine | 61 | 3.0K | 290 | 410 |
| 458 | micromechanics | 124 | 2.9K | 9 | 17 |
| 459 | Ichthyology | 188 | 2.9K | 3 | 2 |
| 460 | Cytokine | 26 | 2.9K | 28 | 14 |
| 461 | Schizophrenia | 96 | 2.9K | 111 | 165 |
| 462 | Paleontology | 180 | 2.9K | 49 | 96 |
| 463 | Raman spectroscopy | 92 | 2.9K | 19 | 11 |
| 464 | Bones | 85 | 2.9K | 59 | 96 |
| 465 | embryonic development | 94 | 2.9K | 5 | 11 |
| 466 | Spine | 68 | 2.8K | 61 | 89 |
| 467 | Microscopy | 153 | 2.8K | 43 | 78 |
| 468 | ecosystem | 57 | 2.8K | 143 | 198 |
| 469 | Cognitive neuroscience | 50 | 2.8K | 168 | 232 |
| 470 | Histochemistry | 159 | 2.8K | 14 | 51 |
| 471 | Cognitive Science | 170 | 2.8K | 21 | 199 |
| 472 | Social Psychology | 110 | 2.7K | 244 | 386 |
| 473 | Educational Psychology | 164 | 2.7K | 60 | 175 |
| 474 | Industrial Engineering | 126 | 2.7K | 89 | 153 |
| 475 | Enteral nutrition | 26 | 2.7K | 194 | 116 |
| 476 | Comparative Physiology | 104 | 2.7K | 33 | 51 |
| 477 | biocatalysis | 13 | 2.7K | 31 | 39 |
| 477 | Homogeneous catalysis | 13 | 2.7K | 31 | 39 |
| 477 | Heterogeneous catalysis | 13 | 2.7K | 31 | 39 |
| 480 | Minerals | 86 | 2.7K | 10 | 12 |
| 481 | Semiconductor industry | 165 | 2.7K | 9 | 7 |
| 482 | management | 100 | 2.7K | 444 | 661 |
| 483 | System analysis | 128 | 2.7K | 116 | 176 |
| 484 | Chromosomes | 116 | 2.7K | 24 | 85 |
| 485 | Developmental Immunology | 57 | 2.6K | 33 | 26 |
| 486 | Lipid metabolism | 62 | 2.6K | 7 | 11 |
| 486 | Lipid | 62 | 2.6K | 6 | 11 |
| 488 | Environmental Toxicology | 109 | 2.6K | 143 | 353 |
| 489 | Operations Research | 210 | 2.6K | 76 | 271 |
| 490 | Differential Equations | 96 | 2.6K | 31 | 25 |
| 490 | Wildlife conservation | 52 | 2.6K | 167 | 175 |
| 492 | Alternative Medicine | 88 | 2.6K | 122 | 85 |
| 493 | Digestive system diseases | 93 | 2.6K | 50 | 47 |
| 494 | Audiology | 51 | 2.6K | 127 | 85 |
| 494 | Crop Science | 158 | 2.6K | 1 | 2 |
| 496 | Magnetohydrodynamics | 64 | 2.6K | 41 | 35 |
| 497 | Biogeochemical cycles | 37 | 2.6K | 63 | 94 |
| 498 | Organometallic chemistry | 149 | 2.6K | 35 | 53 |
| 499 | Vision | 79 | 2.6K | 58 | 85 |
| 500 | solar power | 66 | 2.6K | 25 | 41 |
| 501 | Growth factors | 19 | 2.5K | 25 | 12 |
| 502 | Seaweed | 82 | 2.5K | 20 | 36 |
| 503 | Crystal growth | 151 | 2.5K | 9 | 47 |
| 504 | infection | 122 | 2.5K | 68 | 241 |
| 505 | Building Materials | 91 | 2.5K | 139 | 238 |
| 506 | Computer Vision | 130 | 2.5K | 30 | 182 |
| 507 | Functional Analysis | 147 | 2.5K | 19 | 51 |
| 508 | drug development | 28 | 2.5K | 188 | 216 |
| 508 | Yeast | 73 | 2.5K | 5 | 16 |
| 510 | Ultrasonics | 83 | 2.5K | 32 | 59 |
| 511 | Muscles | 64 | 2.5K | 62 | 80 |
| 512 | Quality of life | 50 | 2.4K | 158 | 152 |
| 513 | Image Processing | 155 | 2.4K | 79 | 231 |
| 514 | drugs | 103 | 2.4K | 170 | 232 |
| 515 | Bioinorganic chemistry | 139 | 2.4K | 42 | 88 |
| 516 | Immunochemistry | 101 | 2.4K | 26 | 28 |
| 517 | hazard mitigation | 61 | 2.4K | 29 | 19 |
| 518 | Food Microbiology | 204 | 2.4K | 20 | 170 |
| 519 | Steroids | 92 | 2.4K | 37 | 67 |
| 520 | Naval Architecture | 154 | 2.4K | 5 | 6 |
| 521 | Antioxidants | 56 | 2.4K | 22 | 88 |
| 522 | glycoproteins | 97 | 2.4K | 5 | 28 |
| 522 | Glycoconjugates | 97 | 2.4K | 5 | 28 |
| 522 | glycolipids | 97 | 2.4K | 5 | 28 |
| 525 | Medical Technology | 73 | 2.4K | 111 | 98 |
| 526 | Aerosols | 55 | 2.4K | 64 | 50 |
| 527 | Dermatology | 89 | 2.3K | 248 | 281 |
| 528 | vibration | 93 | 2.3K | 75 | 99 |
| 529 | Infertility | 57 | 2.3K | 210 | 205 |
| 530 | Cytoskeleton | 81 | 2.3K | 2 | 7 |
| 531 | Plant breeding | 134 | 2.3K | 24 | 50 |
| 532 | Luminescence | 196 | 2.2K | 10 | 33 |
| 533 | finance | 133 | 2.2K | 128 | 281 |
| 534 | Econometrics | 76 | 2.2K | 128 | 199 |
| 535 | Health Policy | 84 | 2.2K | 298 | 320 |
| 536 | Elementary particles | 43 | 2.2K | 1 | 4 |
| 537 | Computer Science | 306 | 2.2K | 10 | 82 |
| 538 | nuclear magnetic resonance | 112 | 2.2K | 74 | 125 |
| 539 | Protein engineering | 42 | 2.2K | 8 | 11 |
| 540 | rehabilitation | 71 | 2.2K | 306 | 333 |
| 541 | Medical Physics | 97 | 2.2K | 222 | 293 |
| 542 | molecular design | 53 | 2.2K | 6 | 14 |
| 543 | Smart Materials | 76 | 2.2K | 40 | 49 |
| 544 | Cosmochemistry | 84 | 2.2K | 34 | 84 |
| 545 | city planning | 115 | 2.1K | 90 | 136 |
| 546 | Health | 204 | 2.1K | 84 | 320 |
| 547 | cell movement | 71 | 2.1K | 2 | 8 |
| 548 | Production Engineering | 230 | 2.1K | 43 | 146 |
| 549 | Human-Computer Interaction | 87 | 2.1K | 48 | 80 |
| 550 | sustainability | 31 | 2.1K | 70 | 104 |
| 551 | Sleep Disorders | 66 | 2.1K | 291 | 307 |
| 552 | probabilities | 155 | 2.0K | 40 | 70 |
| 553 | Public Policy | 87 | 2.0K | 148 | 208 |
| 554 | Kidney diseases | 60 | 2.0K | 104 | 118 |
| 555 | Plant tissue culture | 74 | 2.0K | 27 | 31 |
| 556 | Sleep | 66 | 2.0K | 288 | 310 |
| 557 | Chemical Oceanography | 55 | 2.0K | 26 | 49 |
| 558 | behavioral medicine | 51 | 2.0K | 185 | 242 |
| 559 | mutation | 102 | 2.0K | 13 | 63 |
| 560 | Plant cell culture | 64 | 2.0K | 22 | 31 |
| 561 | X-ray crystallography | 191 | 2.0K | 7 | 53 |
| 562 | Population | 66 | 2.0K | 93 | 78 |
| 563 | Pharmacogenetics | 47 | 2.0K | 126 | 150 |
| 564 | Health Education | 77 | 2.0K | 248 | 264 |
| 564 | commerce | 46 | 2.0K | 187 | 227 |
| 566 | Social Change | 41 | 1.9K | 57 | 96 |
| 567 | personality | 48 | 1.9K | 282 | 355 |
| 568 | Chromatography | 69 | 1.9K | 142 | 105 |
| 569 | nuclear magnetic resonance spectroscopy | 99 | 1.9K | 15 | 43 |
| 570 | Biogeography | 27 | 1.9K | 255 | 236 |
| 571 | Food additives | 200 | 1.9K | 12 | 164 |
| 572 | Marine Engineering | 149 | 1.9K | 1 | 3 |
| 573 | Pharmacokinetics | 38 | 1.9K | 105 | 63 |
| 574 | Gerontology | 145 | 1.9K | 164 | 269 |
| 574 | mammals | 147 | 1.9K | 24 | 73 |
| 576 | Tissue Engineering | 13 | 1.9K | 76 | 15 |
| 577 | Neuropsychiatry | 47 | 1.8K | 104 | 98 |
| 578 | Structural design | 59 | 1.8K | 40 | 46 |
| 579 | Artificial Organs | 144 | 1.8K | 10 | 22 |
| 580 | Tropical Medicine | 96 | 1.8K | 108 | 170 |
| 581 | Obstetrics | 78 | 1.8K | 495 | 538 |
| 582 | Ultrasound | 59 | 1.8K | 28 | 29 |
| 583 | Diagnostic Imaging | 96 | 1.8K | 196 | 380 |
| 584 | complementary therapies | 45 | 1.8K | 291 | 152 |
| 585 | Multimedia Systems | 53 | 1.8K | 144 | 64 |
| 586 | clay | 64 | 1.8K | 30 | 64 |
| 587 | Learning | 44 | 1.8K | 240 | 281 |
| 588 | extraterrestrial environment | 98 | 1.8K | 29 | 29 |
| 589 | Control Theory | 75 | 1.8K | 204 | 197 |
| 590 | Health promotion | 44 | 1.7K | 295 | 284 |
| 591 | Heat Exchangers | 53 | 1.7K | 110 | 134 |
| 592 | Nephrology | 40 | 1.7K | 104 | 108 |
| 592 | Marine Biotechnology | 72 | 1.7K | 3 | 3 |
| 594 | Data Mining | 70 | 1.7K | 64 | 248 |
| 595 | Proteome | 56 | 1.7K | 125 | 244 |
| 596 | Information Theory | 94 | 1.7K | 49 | 113 |
| 596 | Pancreatic diseases | 26 | 1.7K | 145 | 27 |
| 598 | Multiphase Flow | 34 | 1.7K | 32 | 32 |
| 599 | Chemotherapy | 116 | 1.7K | 57 | 202 |
| 600 | Automation | 74 | 1.7K | 197 | 320 |
| 601 | astronomical phenomena | 91 | 1.7K | 30 | 26 |
| 602 | Clinical Pharmacology | 69 | 1.7K | 156 | 201 |
| 603 | Business | 41 | 1.7K | 467 | 531 |
| 604 | Mining Geology | 65 | 1.7K | 5 | 3 |
| 605 | Synchrotron Radiation | 106 | 1.7K | 18 | 27 |
| 606 | cell interaction | 42 | 1.6K | 129 | 131 |
| 607 | Forest Ecology | 64 | 1.6K | 117 | 189 |
| 608 | Rock Mechanics | 57 | 1.6K | 117 | 143 |
| 609 | Nonlinear functional analysis | 86 | 1.6K | 39 | 57 |
| 609 | primary prevention | 84 | 1.6K | 7 | 12 |
| 611 | Biometrics | 95 | 1.6K | 87 | 184 |
| 612 | Conservation Biology | 64 | 1.6K | 104 | 239 |
| 612 | Soil biology | 41 | 1.6K | 178 | 281 |
| 614 | visualization | 248 | 1.6K | 15 | 48 |
| 615 | Communication | 95 | 1.6K | 199 | 283 |
| 616 | particles | 85 | 1.6K | 24 | 32 |
| 617 | Energy Harvesting | 26 | 1.6K | 81 | 133 |
| 618 | medical education | 86 | 1.6K | 252 | 311 |
| 619 | Mechatronics | 130 | 1.6K | 6 | 15 |
| 620 | Veterinary Immunology | 88 | 1.6K | 21 | 33 |
| 621 | food contamination | 196 | 1.6K | 6 | 53 |
| 622 | Biomolecules | 32 | 1.6K | 28 | 57 |
| 623 | Psychosomatic Medicine | 65 | 1.6K | 65 | 150 |
| 624 | Social Sciences | 118 | 1.6K | 347 | 456 |
| 625 | Catalyst | 4 | 1.6K | 17 | 4 |
| 626 | Systems Engineering | 67 | 1.6K | 209 | 184 |
| 627 | Hazardous waste | 36 | 1.5K | 71 | 110 |
| 628 | Chemical Ecology | 56 | 1.5K | 37 | 69 |
| 629 | Antibodies | 70 | 1.5K | 17 | 79 |
| 630 | Algebra | 187 | 1.5K | 27 | 64 |
| 630 | global environmental change | 41 | 1.5K | 89 | 178 |
| 630 | Bone diseases | 22 | 1.5K | 66 | 98 |
| 633 | industrial waste | 35 | 1.5K | 53 | 99 |
| 634 | Biomass | 25 | 1.5K | 72 | 70 |
| 635 | Medicinal plants | 39 | 1.5K | 246 | 253 |
| 636 | radioactive waste | 34 | 1.5K | 51 | 102 |
| 637 | Building | 420 | 1.5K | 2 | 36 |
| 638 | health planning | 70 | 1.5K | 195 | 212 |
| 639 | Morphology | 62 | 1.5K | 48 | 65 |
| 640 | Soil dynamics | 57 | 1.5K | 24 | 30 |
| 641 | Forest Management | 59 | 1.5K | 126 | 193 |
| 642 | Soil Science | 73 | 1.5K | 227 | 392 |
| 643 | Electron Microscopy | 71 | 1.5K | 9 | 9 |
| 644 | Lightweight concrete | 43 | 1.5K | 28 | 81 |
| 645 | pheromones | 50 | 1.5K | 33 | 64 |
| 646 | Neurosurgery | 46 | 1.5K | 194 | 227 |
| 647 | Drug design | 38 | 1.4K | 257 | 274 |
| 648 | Product life cycle | 49 | 1.4K | 12 | 41 |
| 649 | green products | 48 | 1.4K | 10 | 42 |
| 650 | Human biology | 54 | 1.4K | 44 | 34 |
| 651 | Animal ecology | 44 | 1.4K | 234 | 279 |
| 652 | calcification | 31 | 1.4K | 74 | 82 |
| 653 | Primary health care | 68 | 1.4K | 223 | 275 |
| 653 | Sound | 141 | 1.4K | 7 | 28 |
| 655 | Development | 39 | 1.4K | 110 | 138 |
| 656 | Marine Ecology | 57 | 1.4K | 51 | 60 |
| 657 | Clinical Immunology | 71 | 1.4K | 131 | 223 |
| 658 | Invertebrates | 79 | 1.4K | 16 | 51 |
| 659 | polar regions | 84 | 1.4K | 42 | 60 |
| 660 | Neuromuscular diseases | 52 | 1.4K | 61 | 111 |
| 661 | Sedimentary rocks | 44 | 1.4K | 29 | 48 |
| 662 | Oxidation-reduction | 24 | 1.4K | 172 | 250 |
| 663 | Carbohydrates | 61 | 1.4K | 12 | 54 |
| 664 | Information Technology | 258 | 1.4K | 22 | 318 |
| 664 | Linguistics | 68 | 1.4K | 197 | 197 |
| 666 | computer networks | 57 | 1.4K | 304 | 314 |
| 667 | environmental indicators | 22 | 1.4K | 231 | 131 |
| 668 | Industrial Ecology | 26 | 1.4K | 15 | 23 |
| 669 | Radioisotopes | 187 | 1.4K | 13 | 65 |
| 670 | Neurotransmitters | 51 | 1.3K | 46 | 65 |
| 671 | Computational Chemistry | 58 | 1.3K | 17 | 147 |
| 672 | Radiology | 89 | 1.3K | 132 | 204 |
| 672 | Earthquakes | 80 | 1.3K | 18 | 29 |
| 674 | Information Systems | 75 | 1.3K | 64 | 166 |
| 675 | Immunopharmacology | 45 | 1.3K | 114 | 101 |
| 676 | Climate | 32 | 1.3K | 52 | 79 |
| 677 | Graph Theory | 125 | 1.3K | 14 | 33 |
| 677 | vitamin C | 39 | 1.3K | 5 | 26 |
| 677 | vitamin E | 39 | 1.3K | 5 | 26 |
| 680 | Computational Fluid Dynamics | 53 | 1.3K | 23 | 34 |
| 681 | Child psychology | 27 | 1.3K | 510 | 502 |
| 682 | Informatics | 43 | 1.3K | 60 | 124 |
| 683 | exobiology | 24 | 1.3K | 55 | 54 |
| 684 | Otolaryngology | 31 | 1.3K | 137 | 91 |
| 684 | Information Science | 117 | 1.3K | 143 | 502 |
| 686 | world | 31 | 1.3K | 122 | 169 |
| 687 | Combinatorial analysis | 159 | 1.3K | 26 | 70 |
| 688 | Human evolution | 31 | 1.3K | 83 | 103 |
| 689 | Post-traumatic stress disorder | 6 | 1.3K | 589 | 148 |
| 690 | Oligosaccharide | 50 | 1.3K | 9 | 45 |
| 691 | Mechanics | 79 | 1.3K | 72 | 142 |
| 692 | emergency management | 76 | 1.3K | 14 | 58 |
| 693 | animals | 69 | 1.3K | 103 | 120 |
| 694 | Inflammation | 37 | 1.3K | 172 | 230 |
| 695 | Anxiety Disorders | 10 | 1.3K | 277 | 159 |
| 695 | Anxiety | 10 | 1.3K | 277 | 160 |
| 697 | Hydraulic Engineering | 81 | 1.3K | 69 | 139 |
| 698 | Clinical Biochemistry | 46 | 1.3K | 206 | 234 |
| 699 | Signal Processing | 87 | 1.3K | 163 | 284 |
| 700 | Histocompatibility Testing | 49 | 1.3K | 52 | 30 |
| 701 | Electrophysiology | 56 | 1.2K | 143 | 148 |
| 702 | environmental exposure | 66 | 1.2K | 165 | 367 |
| 703 | Health Services Research | 67 | 1.2K | 240 | 352 |
| 704 | Archaeology | 60 | 1.2K | 228 | 230 |
| 705 | Algal blooms | 24 | 1.2K | 46 | 75 |
| 705 | Cyanobacteria | 24 | 1.2K | 46 | 75 |
| 705 | microalgae | 24 | 1.2K | 46 | 75 |
| 708 | Geometry | 124 | 1.2K | 29 | 67 |
| 709 | International Finance | 64 | 1.2K | 145 | 269 |
| 710 | Crystallization | 139 | 1.2K | 2 | 32 |
| 711 | Magnetic Resonance Spectroscopy | 89 | 1.2K | 96 | 235 |
| 712 | Infections | 24 | 1.2K | 343 | 399 |
| 713 | Depression | 9 | 1.2K | 178 | 100 |
| 714 | Coastal Engineering | 73 | 1.2K | 1 | 3 |
| 714 | supercritical fluids | 49 | 1.2K | 21 | 43 |
| 716 | clay minerals | 38 | 1.2K | 19 | 36 |
| 717 | brain mapping | 21 | 1.2K | 214 | 203 |
| 718 | Ultrasonic Imaging | 49 | 1.2K | 24 | 26 |
| 719 | Multivariate Analysis | 98 | 1.2K | 5 | 56 |
| 719 | Economic Assistance | 24 | 1.2K | 151 | 147 |
| 721 | Fiber Optics | 33 | 1.2K | 63 | 19 |
| 722 | Proteomics | 37 | 1.2K | 157 | 263 |
| 723 | Microfabrication | 43 | 1.2K | 14 | 15 |
| 724 | Electromagnetism | 86 | 1.2K | 22 | 65 |
| 725 | lasers | 384 | 1.2K | 14 | 194 |
| 726 | freshwater biology | 59 | 1.2K | 57 | 164 |
| 727 | geological modeling | 42 | 1.2K | 39 | 84 |
| 728 | Cerebellum | 22 | 1.1K | 36 | 30 |
| 728 | Cerebellar ataxia | 22 | 1.1K | 36 | 30 |
| 730 | Solar power plants | 29 | 1.1K | 18 | 28 |
| 730 | Photovoltaic Cells | 29 | 1.1K | 18 | 28 |
| 732 | cryosphere | 22 | 1.1K | 127 | 127 |
| 733 | Microbial Biotechnology | 25 | 1.1K | 137 | 79 |
| 734 | counseling | 32 | 1.1K | 357 | 270 |
| 735 | Product Design | 136 | 1.1K | 16 | 48 |
| 736 | Transgenic plants | 34 | 1.1K | 45 | 68 |
| 737 | Organelle biogenesis | 40 | 1.1K | 4 | 14 |
| 738 | data collection | 38 | 1.1K | 77 | 294 |
| 739 | Geochemical Modeling | 38 | 1.1K | 39 | 87 |
| 740 | Environmental Law | 27 | 1.1K | 246 | 413 |
| 740 | Astrocytes | 24 | 1.1K | 77 | 149 |
| 742 | Sarcopenia | 12 | 1.1K | 104 | 62 |
| 742 | Oligosaccharides | 47 | 1.1K | 3 | 12 |
| 744 | Regional Planning | 64 | 1.1K | 190 | 317 |
| 745 | Microbial Genetics | 18 | 1.1K | 69 | 60 |
| 745 | phytopathogenic bacteria | 18 | 1.1K | 54 | 57 |
| 747 | Patient education | 28 | 1.1K | 137 | 139 |
| 748 | Telecommunication Systems | 23 | 1.1K | 431 | 159 |
| 749 | Social behavior | 37 | 1.0K | 230 | 335 |
| 750 | Nondestructive testing | 61 | 1.0K | 37 | 59 |
| 751 | Remote Sensing | 149 | 1.0K | 44 | 124 |
| 752 | Risk Management | 24 | 1.0K | 122 | 103 |
| 753 | Paleoceanography | 20 | 1.0K | 47 | 70 |
| 754 | East Asia | 145 | 1.0K | 4 | 8 |
| 755 | Developmental Psychology | 25 | 1.0K | 308 | 349 |
| 756 | Autoimmunity | 43 | 1.0K | 85 | 240 |
| 757 | Ventilation | 59 | 1.0K | 25 | 65 |
| 758 | Birds | 81 | 1.0K | 137 | 218 |
| 759 | Speech | 38 | 1.0K | 167 | 204 |
| 760 | Geographic information systems | 80 | 989 | 38 | 81 |
| 761 | Plasma devices | 51 | 985 | 19 | 71 |
| 762 | Biological Systems | 34 | 983 | 51 | 58 |
| 763 | Nanochemistry | 50 | 970 | 71 | 77 |
| 764 | Mining Engineering | 197 | 968 | 6 | 93 |
| 765 | amino acids | 33 | 964 | 28 | 59 |
| 766 | phenomics | 26 | 955 | 1 | 1 |
| 767 | Freezing | 56 | 954 | 28 | 23 |
| 768 | Education | 82 | 951 | 640 | 812 |
| 769 | Architecture | 306 | 950 | 3 | 29 |
| 770 | Psycholinguistics | 39 | 948 | 190 | 287 |
| 771 | Mollusks | 29 | 947 | 13 | 5 |
| 772 | locomotion | 27 | 932 | 129 | 125 |
| 772 | posture | 27 | 932 | 129 | 125 |
| 772 | Granular materials | 52 | 932 | 18 | 38 |
| 772 | gait | 27 | 932 | 129 | 125 |
| 772 | walking | 27 | 932 | 129 | 125 |
| 777 | Fractals | 55 | 930 | 80 | 150 |
| 778 | Malaria | 27 | 926 | 183 | 172 |
| 779 | Palliative Care | 41 | 917 | 125 | 132 |
| 780 | Kinetics | 37 | 908 | 22 | 36 |
| 781 | Europe | 82 | 906 | 518 | 904 |
| 782 | Virtual reality | 36 | 902 | 13 | 31 |
| 783 | Solitons | 48 | 899 | 65 | 127 |
| 783 | Chaos | 48 | 899 | 65 | 127 |
| 785 | Synthetic biology | 30 | 898 | 37 | 45 |
| 786 | Bifurcation Theory | 57 | 893 | 25 | 69 |
| 787 | Neuropharmacology | 50 | 890 | 17 | 97 |
| 788 | Algorithms | 41 | 888 | 42 | 61 |
| 789 | Evolutionary Genetics | 37 | 887 | 38 | 67 |
| 789 | Molecular Epidemiology | 37 | 887 | 38 | 67 |
| 791 | air | 16 | 881 | 54 | 60 |
| 792 | Autoimmune diseases | 44 | 879 | 47 | 151 |
| 793 | Land use | 40 | 876 | 122 | 222 |
| 794 | Thermodynamics | 76 | 873 | 60 | 119 |
| 795 | Quality Control | 39 | 870 | 242 | 352 |
| 796 | Hematopoietic stem cell transplantation | 19 | 869 | 62 | 60 |
| 797 | structural stability | 26 | 867 | 68 | 61 |
| 798 | Intelligent Transportation Systems | 102 | 864 | 30 | 83 |
| 799 | Nuclear Medicine | 139 | 858 | 47 | 355 |
| 800 | Continental shelf | 33 | 856 | 59 | 100 |
| 801 | Australia | 57 | 844 | 255 | 332 |
| 802 | isomerism | 30 | 842 | 17 | 19 |
| 802 | Chirality | 30 | 842 | 17 | 19 |
| 804 | plankton | 30 | 841 | 9 | 12 |
| 805 | Stochastic Processes | 61 | 837 | 32 | 77 |
| 806 | Organic Geochemistry | 20 | 828 | 89 | 123 |
| 807 | Radiation effects | 33 | 827 | 44 | 117 |
| 808 | preventive medicine | 29 | 823 | 382 | 495 |
| 809 | Animal genetics | 34 | 822 | 135 | 148 |
| 810 | Fishery resources | 41 | 817 | 55 | 124 |
| 811 | Horticulture | 66 | 814 | 56 | 83 |
| 812 | Geosynthetics | 26 | 810 | 7 | 4 |
| 813 | Developmental Disabilities | 20 | 808 | 345 | 385 |
| 814 | gene transfer | 28 | 807 | 13 | 23 |
| 814 | genetic transformation | 28 | 807 | 13 | 23 |
| 816 | synthesis | 42 | 804 | 107 | 66 |
| 817 | drug evaluation | 32 | 797 | 208 | 224 |
| 818 | Serology | 30 | 796 | 52 | 66 |
| 819 | Ore deposits | 26 | 793 | 119 | 131 |
| 820 | Urban Policy | 38 | 779 | 65 | 135 |
| 821 | optical instruments | 42 | 772 | 46 | 104 |
| 822 | transgenic organisms | 22 | 771 | 19 | 34 |
| 822 | transgenic animals | 22 | 771 | 18 | 31 |
| 824 | Quantum Chemistry | 56 | 768 | 61 | 117 |
| 825 | Agricultural Ecology | 22 | 767 | 319 | 467 |
| 825 | Medical Ethics | 43 | 767 | 165 | 165 |
| 827 | Fractional Calculus | 13 | 762 | 13 | 3 |
| 828 | Fishery management | 26 | 760 | 226 | 186 |
| 828 | atmosphere | 40 | 760 | 94 | 178 |
| 828 | Landslides | 24 | 760 | 31 | 55 |
| 831 | Marine Geology | 24 | 757 | 142 | 143 |
| 832 | Radio | 28 | 749 | 172 | 112 |
| 833 | Phylogenetics | 62 | 747 | 5 | 6 |
| 834 | Plastics | 51 | 746 | 224 | 365 |
| 834 | Consciousness | 20 | 746 | 72 | 82 |
| 836 | Oxidative stress | 19 | 744 | 324 | 424 |
| 837 | Urban Economics | 24 | 743 | 58 | 109 |
| 837 | bioclimatology | 26 | 743 | 136 | 170 |
| 839 | Marine Geophysics | 31 | 741 | 23 | 21 |
| 840 | analysis | 16 | 740 | 111 | 104 |
| 840 | Sites | 20 | 740 | 153 | 185 |
| 840 | Soil ecology | 25 | 740 | 163 | 259 |
| 843 | Ornithology | 22 | 736 | 345 | 214 |
| 844 | Functional Genomics | 18 | 731 | 58 | 83 |
| 845 | Autoantibodies | 39 | 729 | 46 | 176 |
| 845 | international trade | 20 | 729 | 131 | 132 |
| 847 | Systems Analysis | 40 | 726 | 107 | 155 |
| 847 | urban population | 20 | 726 | 39 | 89 |
| 849 | Hemostasis | 38 | 723 | 97 | 156 |
| 850 | Biopharmaceutics | 42 | 720 | 150 | 335 |
| 850 | Mitochondria | 24 | 720 | 26 | 29 |
| 852 | nuclear power | 41 | 717 | 89 | 55 |
| 853 | Exercise | 45 | 716 | 198 | 330 |
| 854 | software | 27 | 714 | 114 | 194 |
| 855 | psychotherapy | 9 | 713 | 912 | 542 |
| 856 | Acoustics | 123 | 703 | 1 | 1 |
| 857 | Civil Engineering | 85 | 698 | 100 | 164 |
| 857 | Community Psychiatry | 29 | 698 | 223 | 336 |
| 857 | language | 20 | 698 | 238 | 228 |
| 860 | eugenics | 177 | 695 | 5 | 109 |
| 861 | Aerodynamics | 114 | 693 | 7 | 6 |
| 862 | Respiratory Infections | 34 | 689 | 22 | 39 |
| 863 | radiative transfer | 24 | 688 | 156 | 146 |
| 864 | Lung Transplantation | 58 | 687 | 144 | 220 |
| 864 | Heart transplantation | 58 | 687 | 144 | 220 |
| 866 | tomography | 21 | 686 | 89 | 57 |
| 867 | Number Theory | 116 | 682 | 12 | 33 |
| 867 | auditory perception | 29 | 682 | 15 | 58 |
| 869 | Petroleum Geology | 19 | 679 | 161 | 168 |
| 870 | Transport | 42 | 677 | 56 | 184 |
| 871 | Chemical kinetics | 36 | 667 | 58 | 57 |
| 872 | Autonomous robots | 11 | 662 | 41 | 35 |
| 873 | Sedimentology | 18 | 658 | 146 | 166 |
| 874 | Probability | 27 | 649 | 94 | 152 |
| 875 | Mathematical Economics | 25 | 647 | 50 | 102 |
| 875 | Roads | 52 | 647 | 143 | 185 |
| 877 | Physical fitness | 33 | 646 | 187 | 334 |
| 877 | sexual behavior | 16 | 646 | 211 | 187 |
| 879 | Technological Innovations | 29 | 642 | 116 | 205 |
| 880 | health services accessibility | 35 | 641 | 168 | 225 |
| 881 | nucleotides | 69 | 638 | 9 | 15 |
| 882 | Radio frequency | 22 | 637 | 37 | 42 |
| 883 | Geodesy | 25 | 631 | 123 | 134 |
| 883 | Speech Perception | 28 | 631 | 10 | 53 |
| 883 | Thin Films | 87 | 631 | 11 | 63 |
| 883 | Oral communication | 28 | 631 | 37 | 67 |
| 887 | Ecological Genetics | 58 | 629 | 14 | 72 |
| 888 | Architectural Design | 139 | 628 | 1 | 32 |
| 889 | Machine Learning | 43 | 624 | 12 | 119 |
| 890 | Sonochemistry | 12 | 621 | 180 | 208 |
| 891 | Database Management | 35 | 620 | 154 | 275 |
| 892 | blood transfusion | 35 | 619 | 183 | 236 |
| 893 | Wireless Communication Systems | 57 | 618 | 255 | 461 |
| 893 | Developmental Neurobiology | 24 | 618 | 66 | 83 |
| 895 | Antarctica | 49 | 616 | 63 | 75 |
| 896 | Research Design | 46 | 613 | 183 | 458 |
| 897 | indoor air pollution | 17 | 611 | 85 | 102 |
| 897 | Sick building syndrome | 17 | 611 | 85 | 102 |
| 899 | Marine resources | 35 | 609 | 58 | 129 |
| 899 | Hippocampus | 13 | 609 | 102 | 150 |
| 901 | Sea | 37 | 608 | 53 | 163 |
| 902 | biomedicine | 42 | 606 | 72 | 155 |
| 903 | Cell communication | 12 | 604 | 327 | 229 |
| 904 | kidney | 14 | 599 | 14 | 18 |
| 905 | Agronomy | 7 | 593 | 334 | 237 |
| 906 | air quality management | 9 | 591 | 214 | 106 |
| 906 | Bioremediation | 12 | 591 | 229 | 164 |
| 908 | Protozoa | 29 | 590 | 58 | 152 |
| 909 | Rock deformation | 24 | 587 | 10 | 31 |
| 909 | Powder Metallurgy | 209 | 587 | 7 | 12 |
| 911 | Genetic Toxicology | 18 | 580 | 99 | 174 |
| 912 | Evidence-Based Medicine | 20 | 573 | 366 | 247 |
| 913 | Nanophotonics | 12 | 570 | 92 | 75 |
| 913 | Psychiatric Epidemiology | 21 | 570 | 111 | 198 |
| 913 | Autism | 19 | 570 | 227 | 301 |
| 916 | Women's health | 31 | 569 | 261 | 371 |
| 917 | Biofilms | 5 | 568 | 65 | 13 |
| 918 | Agricultural Science | 6 | 567 | 151 | 141 |
| 919 | Pharmacogenomics | 9 | 565 | 100 | 65 |
| 920 | Amyotrophic Lateral Sclerosis | 8 | 560 | 141 | 75 |
| 921 | Strategic planning | 20 | 557 | 151 | 203 |
| 921 | food handling | 12 | 557 | 343 | 289 |
| 921 | Phytotherapy | 35 | 557 | 87 | 205 |
| 924 | Decision making | 24 | 556 | 400 | 520 |
| 925 | hydrocolloids | 16 | 555 | 214 | 339 |
| 926 | Cross-Cultural Studies | 20 | 553 | 99 | 105 |
| 927 | Emergency Medicine | 43 | 551 | 392 | 528 |
| 928 | Quantum electronics | 36 | 550 | 111 | 116 |
| 929 | Microfluidics | 28 | 549 | 11 | 28 |
| 930 | Interferons | 14 | 548 | 41 | 43 |
| 931 | chromatin | 9 | 547 | 29 | 34 |
| 932 | Algebraic geometry | 24 | 545 | 2 | 1 |
| 933 | Papermaking | 324 | 538 | 1 | 10 |
| 934 | Political Science | 58 | 537 | 354 | 527 |
| 935 | Quantum Communication | 15 | 536 | 36 | 58 |
| 936 | Nutrition physiology | 21 | 533 | 169 | 285 |
| 936 | Wildlife management | 11 | 533 | 303 | 163 |
| 936 | Enzyme | 23 | 533 | 64 | 163 |
| 936 | Aquatic ecology | 36 | 533 | 126 | 294 |
| 940 | Mobile Computing | 33 | 532 | 138 | 210 |
| 941 | weather | 22 | 530 | 72 | 137 |
| 942 | Jurisprudence | 43 | 528 | 151 | 253 |
| 943 | Fertilization | 13 | 524 | 8 | 8 |
| 943 | gametes | 13 | 524 | 8 | 8 |
| 945 | Emotions | 15 | 521 | 212 | 285 |
| 946 | Financial management | 10 | 515 | 237 | 204 |
| 946 | Adolescent | 45 | 515 | 462 | 881 |
| 946 | aerosol | 23 | 515 | 93 | 125 |
| 949 | Ecological Engineering | 12 | 514 | 194 | 204 |
| 950 | Global warming | 6 | 512 | 31 | 26 |
| 950 | economic conditions | 21 | 512 | 144 | 190 |
| 952 | Space telescopes | 36 | 510 | 13 | 35 |
| 952 | Bipolar Disorder | 4 | 510 | 378 | 201 |
| 954 | Coastal zone management | 24 | 509 | 97 | 161 |
| 955 | Turbulence | 24 | 508 | 26 | 35 |
| 956 | Reproductive toxicology | 13 | 507 | 164 | 166 |
| 956 | Celestial Mechanics | 16 | 507 | 61 | 37 |
| 958 | Risk | 10 | 504 | 288 | 225 |
| 958 | traffic safety | 29 | 504 | 30 | 39 |
| 960 | Emergency Medical Services | 20 | 503 | 195 | 148 |
| 961 | health behavior | 15 | 500 | 432 | 389 |
| 962 | Climate Change Mitigation | 5 | 498 | 15 | 26 |
| 962 | sea level | 5 | 498 | 15 | 26 |
| 964 | Synaptic Transmission | 22 | 497 | 99 | 178 |
| 965 | community development | 19 | 494 | 132 | 110 |
| 966 | Industrial Safety | 30 | 492 | 210 | 330 |
| 967 | Human Geography | 51 | 490 | 164 | 352 |
| 968 | Housing | 19 | 488 | 92 | 125 |
| 969 | Genetic translocation | 16 | 487 | 20 | 39 |
| 969 | plasmids | 16 | 487 | 20 | 39 |
| 969 | prostaglandins | 26 | 487 | 79 | 156 |
| 972 | feeding behavior | 19 | 486 | 248 | 324 |
| 973 | magnetic resonance | 37 | 484 | 30 | 57 |
| 974 | Entropy | 60 | 481 | 37 | 148 |
| 975 | Geriatric Psychiatry | 42 | 480 | 172 | 487 |
| 976 | Frontotemporal lobar degeneration | 6 | 479 | 138 | 49 |
| 977 | Petroleum | 87 | 478 | 12 | 32 |
| 978 | Pacific Islands | 39 | 476 | 21 | 25 |
| 979 | Adolescent Medicine | 5 | 471 | 564 | 540 |
| 980 | Game Theory | 42 | 470 | 53 | 152 |
| 981 | Measurement | 37 | 468 | 178 | 340 |
| 982 | Neonatology | 17 | 464 | 167 | 184 |
| 982 | biofuels | 8 | 464 | 149 | 167 |
| 982 | Forest genetics | 39 | 464 | 18 | 45 |
| 985 | Urban Planning | 18 | 463 | 77 | 116 |
| 985 | Topology | 31 | 463 | 42 | 41 |
| 985 | Information visualization | 66 | 463 | 1 | 3 |
| 988 | Biological productivity | 41 | 461 | 3 | 2 |
| 988 | Textile industry | 205 | 461 | 18 | 96 |
| 990 | Greenhouse gases | 19 | 459 | 79 | 158 |
| 991 | Chronobiology | 18 | 456 | 72 | 98 |
| 991 | Neurogenetics | 18 | 456 | 33 | 53 |
| 991 | biological clocks | 18 | 456 | 72 | 98 |
| 991 | circadian rhythm | 18 | 456 | 72 | 98 |
| 995 | Discrete Mathematics | 63 | 454 | 4 | 10 |
| 995 | Drying | 21 | 454 | 61 | 97 |
| 995 | graph | 63 | 454 | 4 | 10 |
| 998 | occupational diseases | 26 | 453 | 222 | 411 |
| 999 | Animal breeding | 24 | 444 | 249 | 295 |
| 999 | Optoelectronic devices | 30 | 444 | 93 | 90 |